Mattermost
An open source platform for developer collaboration
com.mattermost.DesktopMattermost is a secure collaboration platform that is open, flexible, and deeply integrated with the tools you love. An alternative to SaaS collaboration solutions, Mattermost is built explicitly for developer teams, tools, and workflows. It is written in Golang and React and runs as a production-ready Linux binary under an MIT license with either MySQL or Postgres.
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Observed history
| App | Change | Version | When ↑ |
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No observed changes yet.
The initial import establishes a baseline. Future version changes will appear here.
Browse the app catalogue →Upstream releases
Release notes supplied by the developer. These dates are not Flathub package publication times.
6.3.013 Aug 2026
No release notes supplied.
6.2.223 Jun 2026
No release notes supplied.
6.2.117 Jun 2026
No release notes supplied.
6.2.015 May 2026
No release notes supplied.